---
title: LangChain docs home
sidebarTitle: Home
description: "The platform for reliable agents"
mode: "wide"
---


# Frameworks

<CardGroup cols={2}>
    <Card
        title="LangChain - Python"
        href="https://python.langchain.com/docs/introduction/"
    >
  Open-source framework for developing applications powered by large language models (LLMs).
    </Card>

    <Card
        title="LangChain - JavaScript"
        href="https://js.langchain.com/docs/introduction/"
    >
  Open-source framework for developing applications powered by large language models (LLMs).
    </Card>

    <Card
        title="LangGraph"
        href="/oss/python"
    >
  Low-level orchestration framework for building, managing, and deploying long-running, stateful agents.
    </Card>

</CardGroup>

# Platforms

<CardGroup cols={2}>
    <Card
        title="LangGraph Platform"
        href="/langgraph-platform/"
    >
    Commercial platform for developing, deploying, and scaling long-running agents and worflows.
    </Card>

    <Card
        title="LangSmith"
        href="https://docs.smith.langchain.com/"
    >
    Observability and evals platform for debugging, testing, and monitoring any AI application.
    </Card>
</CardGroup>

# Experimental

<CardGroup cols={2}>
    <Card
        title="LangChain Labs"
        href="/labs"
    >
    A collection of agents and experimental AI products.
    </Card>
</CardGroup>
